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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/104117] gcc10 fails to build icu for ppc64 on 10.5.8 (direct access to a floating-point constant) Date: Wed, 19 Jan 2022 15:01:22 +0000 [thread overview] Message-ID: <bug-104117-4-1IG9hpPCH9@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-104117-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104117 --- Comment #2 from Iain Sandoe <iains at gcc dot gnu.org> --- reduced testcase: typedef int int32_t; extern "C" { extern double floor( double ); extern double fabs( double ); int atoi(const char *); int sprintf(char * , const char * , ...) ; } namespace icu_67 { class __attribute__((visibility("default"))) FixedDecimal { public: static int32_t decimals(double n); }; //using namespace icu::pluralimpl; //using icu::number::impl::DecimalQuantity; static int32_t p10[] = {1, 10, 100, 1000, 10000}; int32_t FixedDecimal::decimals(double n) { n = fabs(n); for (int ndigits=0; ndigits<=3; ndigits++) { double scaledN = n * p10[ndigits]; if (scaledN == floor(scaledN)) { return ndigits; } } char buf[30] = {0}; sprintf(buf, "%1.15e", n); int exponent = atoi(buf+18); int numFractionDigits = 15; for (int i=16; ; --i) { if (buf[i] != '0') { break; } --numFractionDigits; } numFractionDigits -= exponent; return numFractionDigits; } }
next prev parent reply other threads:[~2022-01-19 15:01 UTC|newest] Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-19 14:35 [Bug target/104117] New: " vital.had at gmail dot com 2022-01-19 14:58 ` [Bug target/104117] " iains at gcc dot gnu.org 2022-01-19 15:01 ` iains at gcc dot gnu.org [this message] 2022-01-19 15:54 ` vital.had at gmail dot com 2022-01-20 7:36 ` rguenth at gcc dot gnu.org 2022-01-20 7:45 ` iains at gcc dot gnu.org 2022-01-20 8:38 ` iains at gcc dot gnu.org 2022-01-20 14:29 ` [Bug target/104117] [9,10,11,12 Regression] Darwin ppc64 uses invalid non-PIC address to access constants (in PIC code) iains at gcc dot gnu.org 2022-01-20 14:31 ` iains at gcc dot gnu.org 2022-01-20 14:33 ` iains at gcc dot gnu.org 2022-01-20 14:37 ` iains at gcc dot gnu.org 2022-01-20 15:23 ` iains at gcc dot gnu.org 2022-01-22 9:34 ` vital.had at gmail dot com 2022-02-04 22:05 ` vmakarov at gcc dot gnu.org 2022-02-05 8:06 ` vital.had at gmail dot com 2022-02-06 10:34 ` iains at gcc dot gnu.org 2022-02-06 10:36 ` iains at gcc dot gnu.org 2022-02-06 11:54 ` iains at gcc dot gnu.org 2022-02-06 12:22 ` vital.had at gmail dot com 2022-02-06 13:23 ` iains at gcc dot gnu.org 2022-02-06 15:46 ` iains at gcc dot gnu.org 2022-02-09 15:56 ` vmakarov at gcc dot gnu.org 2022-02-11 2:21 ` vital.had at gmail dot com 2022-02-11 23:52 ` cvs-commit at gcc dot gnu.org 2022-02-13 19:37 ` iains at gcc dot gnu.org 2022-03-04 15:07 ` cvs-commit at gcc dot gnu.org 2022-04-14 5:28 ` cvs-commit at gcc dot gnu.org 2022-05-29 19:12 ` [Bug target/104117] [9,10 " cvs-commit at gcc dot gnu.org 2022-05-29 19:24 ` iains at gcc dot gnu.org
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